package com.chinafree.common.utils;

import com.alibaba.fastjson.JSON;
import com.qiniu.common.QiniuException;
import com.qiniu.http.Response;
import com.qiniu.storage.Configuration;
import com.qiniu.storage.Region;
import com.qiniu.storage.UploadManager;
import com.qiniu.storage.model.DefaultPutRet;
import com.qiniu.util.Auth;
import org.springframework.beans.factory.annotation.Value;

import java.io.*;

public class QiniuUtils {


    @Value("qiniu.accessKey")
    private static String accessKey;

    @Value("qiniu.bucket")
    private static String bucket;

    @Value("qiniu.secretKey")
    private static String secretKey;

    public static String getCredentials(byte[] file) {
        //构造一个带指定 Region 对象的配置类
        Configuration cfg = new Configuration(Region.region0());
//...其他参数参考类注释
        UploadManager uploadManager = new UploadManager(cfg);
//...生成上传凭证，然后准备上传

//默认不指定key的情况下，以文件内容的hash值作为文件名
        String key = null;
        try {
            byte[] uploadBytes = "hello qiniu cloud".getBytes("utf-8");
            ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(file);
            Auth auth = Auth.create(accessKey, secretKey);
            String upToken = auth.uploadToken(bucket);
            try {
                Response response = uploadManager.put(byteArrayInputStream, key, upToken, null, null);
                //解析上传成功的结果
//                DefaultPutRet putRet = new Gson().fromJson(response.bodyString(), DefaultPutRet.class);
                DefaultPutRet putRet = (DefaultPutRet) JSON.parse(response.bodyString());
                System.out.println(putRet.key);
                System.out.println(putRet.hash);
            } catch (QiniuException ex) {
                Response r = ex.response;
                System.err.println(r.toString());
                try {
                    System.err.println(r.bodyString());
                } catch (QiniuException ex2) {
                    //ignore
                }
            }
            return null;
        } catch (UnsupportedEncodingException e ) {
            //ignore
        }
        return null;
    }


}
